2025abst

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Information

Transient

Name: AT2025abst
Right ascension: 2h05m34.08s
Declination: -25d46m01.04s
Discovery Date: Oct. 21, 2025, 8:16 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name: 775257
Right ascension: 2h05m34.03s
Declination: -25d46m06.74s
Redshift: None
Photometric Redshift: 0.135

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	6.56
Transient MWEBV	processed	0.06
Host match	processed	4.32
Host information	processed	0.18
Host MWEBV	processed	0.07
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.87
Validate global photometry	processed	14.29
Global host SED inference	processed	387.82
Local aperture photometry	processed	5.72
Validate local photometry	no valid phot	0.02
Local host SED inference	not processed	None

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:

Aperture Photometry

Aperture details

RA, DEC (J2000) = 2h05m34.08s, -25d46m01.04s
semi major axis, semi minor axis (arcsec) = 0.84, 0.84
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 2h05m34.04s, -25d46m07.31s
semi major axis, semi minor axis (arcsec) = 10.49, 6.6
angle (degrees, anti-clockwise from east) = -174.68

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	22.74	3.77	20.508	0.180	AB
GALEX_NUV	33.25	0.97	20.095	0.032	AB
DES_g	214.84	0.65	18.070	0.003	AB
PanSTARRS_g	212.73	1.82	18.080	0.009	AB
PanSTARRS_r	360.95	2.87	17.506	0.009	AB
DES_r	403.56	0.92	17.385	0.002	AB
PanSTARRS_i	506.52	3.01	17.139	0.006	AB
PanSTARRS_z	581.45	5.48	16.989	0.010	AB
PanSTARRS_y	675.18	14.34	16.826	0.023	AB
2MASS_J	781.12	220.11	15.773	0.306	Vega
2MASS_H	1698.58	369.13	14.457	0.236	Vega
2MASS_K	237.93	424.41	16.121	1.937	Vega
WISE_W1	439.57	15.77	14.593	0.039	Vega
WISE_W2	292.52	21.2	14.396	0.079	Vega
WISE_W3	781.73	79.93	11.493	0.111	Vega
WISE_W4	638.2	526.5	10.268	0.896	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.586	10.625	10.676
{\rm log}_{10}({\rm SFR})	0.351	0.581	0.812
{\rm log}_{10}({\rm sSFR})	-10.300	-10.046	-9.810
{\rm stellar\ age}	6.265	6.898	7.918

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.618	-0.417	-0.267
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.520	0.005	0.333

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.116	0.183	0.292
\delta	-0.729	-0.365	-0.019
\tau_1/\tau_2	0.799	1.149	1.495
Q_{PAH}	0.773	1.993	3.992
U_{min}	2.429	7.326	14.271
{\rm log}_{10}(\gamma_e)\,	-2.715	-1.661	-1.006

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.049	-2.756	-1.793
{\rm log}_{10}(\tau_{AGN})\,	1.038	1.506	1.924

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.096	0.230	0.388
0.03-0.10 Gyr	0.391	0.681	0.939
0.10-0.32 Gyr	0.339	0.610	0.809
0.32-1.04 Gyr	0.040	0.380	0.582
1.04-3.36 Gyr	0.138	0.500	0.723
3.36-10.84 Gyr	0.657	0.808	0.897
10.84-12.04 Gyr	0.475	0.908	1.351